Wednesday, August 13, 2025 is a Wednesday. It is day 225 of 2025 (61.6% through the year), ISO week 33, in Q3.
Calendar Specifications
Wednesday, August 13, 2025 combines practical calendar facts with a wider view of the day: 2010: After being boarded by Canadian authorities, MV Sun Sea docked in British Columbia and the 492 Sri Lankan Tamil refugee claimants on board were placed into detention.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to August 13.
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Historical Milestones
After being boarded by Canadian authorities, MV Sun Sea docked in British Columbia and the 492 Sri Lankan Tamil refugee claimants on board were placed into detention.
MV Sun Sea incident →Merely 22 hours after Tropical Storm Bonnie struck the U.S. state of Florida, Hurricane Charley inflicted further damage to the region (example pictured).
Tropical Storm Bonnie (2004) →The Act on National Flag and Anthem was adopted, formally establishing the Hinomaru and "Kimigayo" as the Japanese national flag and anthem, respectively.
Act on National Flag and Anthem →World War II: The German Luftwaffe launched an air operation, codenamed Adlertag, to destroy the British Royal Air Force; its failure indefinitely postponed the German invasion of the United Kingdom.
World War II →Opha May Johnson (pictured) became the first woman to enlist in the United States Marine Corps.
Opha May Johnson →Members of the U.S. Army's all-black 25th Infantry Regiment were accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence.
25th Infantry Regiment (United States) →The first Bayreuth Festival, created by Richard Wagner and his wife Cosima to showcase his stage works, was opened with Das Rheingold.
Bayreuth Festival →A major earthquake near Arica, Peru (now in Chile), caused an estimated 25,000 casualties; the subsequent tsunami caused considerable damage as far away as Hawaii and New Zealand.
1868 Arica earthquake →Anglo-Spanish War: The United Kingdom captured Havana after a five-week siege, holding it until the Treaty of Paris the following year.
Anglo-Spanish War (1762–1763) →Bach led the Thomanerchor in Leipzig in the first performance of the chorale cantata, Nimm von uns, Herr, du treuer Gott, BWV 101.
Johann Sebastian Bach →Calculate business days and elapsed calendar time between this date and any other.
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Questions & Answers
Wednesday, August 13, 2025 falls on a Wednesday.
407 days ago (1 year, 1 month, 11 days ago). It is day 225 of 2025 with 140 days remaining in the year.
In Roman numerals, Wednesday, August 13, 2025 is written as XIII.VIII.MMXXV (Day.Month.Year format).
The moon phase for this date is Waning Gibbous (approx. 80% illuminated). The astrological sun sign is Leo.